另一方面，全局变量是一种可在同一组件内的任一代码片段中使用的变量。
A global variable, on the other hand, is available to be used in any snippet within the same component.
(让参与者们观看能够引起快乐或悲伤情绪的电影片段，要求他们仔细回想自己生活中积极或消极的一方面)。
He did this by having them watch movie clips that either invoked happy or sad emotions, and asking them to dwell on positive or negative aspects of their own lives.
视频片段能够很好地展现出竞选者们截然不同的两面性。
Video clips are a good way of making candidates look two-faced.
但当我们以一种碎片化的方式来看每个人生活中最好的一面时，我们往往会将这些片段连接起来并认为这就是真实的现实，从而产生一种被忽视或者被隔离的焦虑感。
But when we see the best side of everyone's life in such a fragmented way, we tend to connect the pieces and think of them as reality, which can cause an anxiety of missing out or being left out.
比如两面神胶囊、微型画、空心结构，它们不同的片段是由不同的微米或纳米粒子构成。
So appear Janus capsules, miniature, hollow structures, in different fragments composed of different micro - and nanoparticles.
在辅助T细胞激发针对病原的免疫反应之前，它必须感觉到位于抗原递呈细胞面表的入侵者分子片段。
Before a helper t cell can trigger a response to a pathogen or parasite, it has to "feel" these molecular bits of an invader displayed on the surface of an antigen-presenting cell (APC).
而另一方面，真正重要的是我们的下一个四十年，因为那是流年是我们仍然可以希望做一些事情的唯一片段。
On the other hand, what really counts is our next forty years, because that is the only fragment of fleeting time about which we can still hope to do something.
而另一方面，真正重要的是我们的下一个四十年，因为那是流年是我们仍然可以希望做一些事情的唯一片段。
On the other hand, what really counts is our next forty years, because that is the only fragment of fleeting time about which we can still hope to do something.
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